JPS57468U - - Google Patents
Info
- Publication number
- JPS57468U JPS57468U JP1981075887U JP7588781U JPS57468U JP S57468 U JPS57468 U JP S57468U JP 1981075887 U JP1981075887 U JP 1981075887U JP 7588781 U JP7588781 U JP 7588781U JP S57468 U JPS57468 U JP S57468U
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
- B60T15/20—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by two fluid pressures
- B60T15/22—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by two fluid pressures with one or more auxiliary valves, for braking, releasing, filling reservoirs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/36—Other control devices or valves characterised by definite functions
- B60T15/42—Other control devices or valves characterised by definite functions with a quick braking action, i.e. with accelerating valves actuated by brake-pipe pressure variation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/673,730 US4002375A (en) | 1976-04-05 | 1976-04-05 | Service portion for brake control valves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57468U true JPS57468U (en) | 1982-01-05 |
| JPS61292Y2 JPS61292Y2 (en) | 1986-01-08 |
Family
ID=24703891
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3815477A Pending JPS52121212A (en) | 1976-04-05 | 1977-04-05 | Brake control valve |
| JP1981075887U Expired JPS61292Y2 (en) | 1976-04-05 | 1981-05-27 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3815477A Pending JPS52121212A (en) | 1976-04-05 | 1977-04-05 | Brake control valve |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4002375A (en) |
| JP (2) | JPS52121212A (en) |
| BR (1) | BR7702067A (en) |
| GB (1) | GB1528885A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002255025A (en) * | 2001-01-12 | 2002-09-11 | Westinghouse Air Brake Technologies Corp | Gasket used in service part of brake control valve |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2634320A1 (en) * | 1976-07-30 | 1978-04-20 | Knorr Bremse Gmbh | TWO-PRESSURE BRAKE CONTROL VALVE FOR A SINGLE-LEVEL, INDIRECTLY ACTIVE AIR BRAKE, IN PARTICULAR FOR RAIL VEHICLES |
| US4819993A (en) * | 1987-11-05 | 1989-04-11 | American Standard Inc. | Freight brake control valve device having improved quick service function |
| US4842341A (en) * | 1988-05-12 | 1989-06-27 | General Signal Corporation | Brake pipe pressure modulating valve device |
| CN107061810B (en) * | 2017-06-27 | 2023-03-21 | 眉山中车制动科技股份有限公司 | Overflow type pressure reducing valve with minimum working pressure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2994565A (en) * | 1958-04-28 | 1961-08-01 | Westinghouse Air Brake Co | Brake pipe venting control including quick service, vent and pilot valves |
| US3175869A (en) * | 1961-07-21 | 1965-03-30 | Westinghouse Air Brake Co | Fluid pressure brake control apparatus with accelerated release after service application |
| US3232678A (en) * | 1962-12-20 | 1966-02-01 | Westinghouse Air Brake Co | Fluid pressure brake control valve device |
| US3716276A (en) * | 1971-10-27 | 1973-02-13 | Westinghouse Air Brake Co | Quick service valve device |
-
1976
- 1976-04-05 US US05/673,730 patent/US4002375A/en not_active Expired - Lifetime
-
1977
- 1977-04-01 BR BR7702067A patent/BR7702067A/en unknown
- 1977-04-04 GB GB14168/77A patent/GB1528885A/en not_active Expired
- 1977-04-05 JP JP3815477A patent/JPS52121212A/en active Pending
-
1981
- 1981-05-27 JP JP1981075887U patent/JPS61292Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002255025A (en) * | 2001-01-12 | 2002-09-11 | Westinghouse Air Brake Technologies Corp | Gasket used in service part of brake control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| US4002375A (en) | 1977-01-11 |
| BR7702067A (en) | 1978-01-17 |
| JPS52121212A (en) | 1977-10-12 |
| JPS61292Y2 (en) | 1986-01-08 |
| GB1528885A (en) | 1978-10-18 |